Merge branch 'next' into for-linus

Prepare first set of updates for 3.10 merge window.

1 files changed, 11 insertions, 5 deletions

diff --git a/tools/perf/config/utilities.mak b/tools/perf/config/utilities.mak
index 8046182a19e..8ef3bd30a54 100644
--- a/tools/perf/config/utilities.mak
+++ b/tools/perf/config/utilities.mak
@@ -13,7 +13,7 @@ newline := $(newline)
 # what should replace a newline when escaping
 # newlines; the default is a bizarre string.
 #
-nl-escape = $(or $(1),m822df3020w6a44id34bt574ctac44eb9f4n)
+nl-escape = $(if $(1),$(1),m822df3020w6a44id34bt574ctac44eb9f4n)
 
 # escape-nl
 #
@@ -173,16 +173,22 @@ _ge-abspath = $(if $(is-executable),$(1))
 # Usage: absolute-executable-path-or-empty = $(call get-executable-or-default,variable,default)
 #
 define get-executable-or-default
-$(if $($(1)),$(call _ge_attempt,$($(1)),$(1)),$(call _ge_attempt,$(2)))
+$(if $($(1)),$(call _ge_attempt,$($(1)),$(1)),$(call _ge_attempt,$(2),$(1)))
 endef
-_ge_attempt = $(or $(get-executable),$(_gea_warn),$(call _gea_err,$(2)))
+_ge_attempt = $(if $(get-executable),$(get-executable),$(_gea_warn)$(call _gea_err,$(2)))
 _gea_warn = $(warning The path '$(1)' is not executable.)
 _gea_err  = $(if $(1),$(error Please set '$(1)' appropriately))
 
 # try-cc
-# Usage: option = $(call try-cc, source-to-build, cc-options)
+# Usage: option = $(call try-cc, source-to-build, cc-options, msg)
+ifndef V
+TRY_CC_OUTPUT= > /dev/null 2>&1
+endif
+TRY_CC_MSG=echo "    CHK $(3)" 1>&2;
+
 try-cc = $(shell sh -c						  \
 	'TMP="$(OUTPUT)$(TMPOUT).$$$$";				  \
+	 $(TRY_CC_MSG)						  \
 	 echo "$(1)" |						  \
-	 $(CC) -x c - $(2) -o "$$TMP" > /dev/null 2>&1 && echo y; \
+	 $(CC) -x c - $(2) -o "$$TMP" $(TRY_CC_OUTPUT) && echo y; \
 	 rm -f "$$TMP"')